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TI-15.4-STACK-GATEWAY-LINUX-SDK: UART for co-processor

Rushabh Shah52
Intellectual 270 points

Part Number: TI-15.4-STACK-GATEWAY-LINUX-SDK

I am trying to connect co-processor (launchpad) via UART to BBB instead of USB. Just wanted to confirm if RTS/CTS connections is not-required/optional/essential as per the UART drivers on both ends. I am using 5V line from BBB to power launchpad, is 3.3V line also required?